astronomical (based on the Earth’s position relative to the Sun). Weather Forecast Switzerland +1 Meteorological Seasons Meteorological seasons are broken into three-month blocks for easier record-keeping. NOAA (.gov) +1 Season Northern Hemisphere Southern Hemisphere Spring March 1 – May 31 September 1 – November 30 Summer June 1 – August 31 December 1 – February 28/29 Autumn September 1 – November 30 March 1 – May 31 Winter December 1 – February 28/29 June 1 – August 31 Astronomical Seasons (Solstices & Equinoxes) These seasons begin on specific solar events and vary slightly by a day or two each year. National Weather Service (.gov) +1 11 sites Season - National Geographic Education A season is a period of the year that is distinguished by special climate conditions. The four seasons—spring, summer, fall, and w... National Geographic Society Calendar, astronomical and meteorological seasons - MeteoSwiss Calendar, astronomical and meteorological seasons * Calendar seasons. The dates of the equinoxes and solstices determine the calen... Weather Forecast Switzerland Why Do We Have Seasons? - National Weather Service Table_title: When are the times and dates of the next equinoxes and solstices? Table_content: header: | Year | Spring Equinox | Su... National Weather Service (.gov) Show all Vernal (Spring) Equinox: March 20/21 in the North; September 22/23 in the South. Summer Solstice: June 20/21 in the North (longest day); December 21/22 in the South (longest day). Autumnal Equinox: September 22/23 in the North; March 20/21 in the South. Winter Solstice: December 21/22 in the North (shortest day); June 20/21 in the South (shortest day). National Geographic Society +2 Why They Are Different Direct vs. Indirect Rays: When a hemisphere is tilted toward the Sun, it receives more
While the North is celebrating the start of summer in June, the Southern Hemisphere is entering winter. June 21 marks their winter solstice. In regions like Australia, South Africa, and Argentina, the "festive season" in December occurs during the height of summer. The summer solstice for the South falls on December 21, meaning Christmas is often associated with beach trips and barbecues rather than snow and fireplaces. seasons by hemisphere
The phenomenon of seasons is one of nature’s most consistent cycles, yet it remains one of the most misunderstood. Many believe seasons are caused by Earth’s distance from the sun. In reality, the cycle is governed by Earth’s 23.5-degree axial tilt. As our planet orbits the sun, this tilt ensures that different regions receive varying intensities of sunlight throughout the year. This creates a mirrored experience between the Northern and Southern Hemispheres: when one side of the world is basking in summer heat, the other is bracing for winter’s chill. The Science of the Tilt astronomical (based on the Earth’s position relative to
This inverse relationship is constant. The transition points are marked by solstices and equinoxes. Solstices represent the extremes of the tilt, while equinoxes occur when the sun is directly over the equator, providing nearly equal day and night across the entire globe. Seasons in the Northern Hemisphere National Weather Service (
Understanding the timing of seasons across the hemispheres is more than just a geographical fact; it is a reminder of our planet’s balance. Whether it is the blooming of cherry blossoms in Japan or the falling leaves in New Zealand, the seasons connect us to the mechanical precision of the solar system.